From owner-freebsd-stable  Tue Jul 24  8:19: 9 2001
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From: "Jason DiCioccio" <geniusj@bluenugget.net>
To: "Mike Hoskins" <mike@adept.org>, "Mike Tancsa" <mike@sentex.net>
Cc: "Sung Nae Cho" <sucho2@quasar.phys.vt.edu>,
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References: <Pine.BSF.4.21.0107240809090.92392-100000@snafu.adept.org>
Subject: Re: Regarding hw.ata.wc="1"......
Date: Tue, 24 Jul 2001 08:18:58 -0700
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I was disappointed by this decision as well.. The performance loss is
substantial, but if there is a big risk I think perhaps it should be
prompted in sysinstall at least?  Of course if you have an IBM DTLA drive
you can do this safely with tagging.

Cheers,
-JD-

----- Original Message -----
From: "Mike Hoskins" <mike@adept.org>
To: "Mike Tancsa" <mike@sentex.net>
Cc: "Sung Nae Cho" <sucho2@quasar.phys.vt.edu>; <freebsd-stable@FreeBSD.ORG>
Sent: Tuesday, July 24, 2001 8:12 AM
Subject: Re: Regarding hw.ata.wc="1"......


> On Tue, 24 Jul 2001, Mike Tancsa wrote:
>
> > to take. Yes, writes will be faster with write caching enabled. However,
> > its that much more risky incase of power loss.
> <snip>
> > disabled by default. However, it was turned back on as a default a
little
> > later.
>
> Hmm.  I hope the response to recent performance tests was /not/ to make a
> potentially unsafe option 'default'.
>
> Sometimes 'faster' isn't better - anyone with a brain knows that,
> right?  Try replacing an overloaded VAX with a nice x86 box and watch it
> run fast at first, then die smoking under load (humorous story from
> college days ;)...  You get my point.
>
> Later,
> -Mike
>
> --
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